Alert archive / Arizona / Mesoscale Discussions
Mesoscale Discussions in Arizona, 2011
24 mesoscale discussions in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Mesoscale Discussions
- 24
- Busiest month
- September12 mesoscale discussions
- Busiest day
- July 4, 20112 mesoscale discussions
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 6:05 PM MST | Mesoscale Discussion | SPC | Coconino, Gila, Greenlee, Mohave, Yavapai | 6 hr |
| Jun 29, 1:41 PM MST | Mesoscale Discussion | SPC | Apache, Cochise, Coconino, Gila, Graham, Greenlee and 1 more | 2 hr |
| Jul 2, 2:57 PM MST | Mesoscale Discussion | SPC | Gila, Pinal | 63 min |
| Jul 3, 1:40 PM MST | Mesoscale Discussion | SPC | Gila, La Paz, Maricopa, Pima, Pinal, Yavapai and 1 more | 3 hr |
| Jul 3, 7:26 PM MST | Mesoscale Discussion | SPC | La Paz, Yuma | 2 hr |
| Jul 4, 12:57 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more | 63 min |
| Jul 4, 7:11 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 2 hr |
| Jul 5, 1:42 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Maricopa, Pima and 2 more | 63 min |
| Jul 5, 5:36 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Yuma | 54 min |
| Jul 5, 9:28 PM MST | Mesoscale Discussion | SPC | La Paz, Yuma | 2 hr |
| Jul 24, 6:07 PM MST | Mesoscale Discussion | SPC | Maricopa | 83 min |
| Sep 7, 4:02 PM MST | Mesoscale Discussion | SPC | Cochise, Gila, Graham, Greenlee, Pinal, Santa Cruz | 118 min |
| Sep 9, 1:00 PM MST | Mesoscale Discussion | SPC | Cochise, Coconino, Gila, Graham, La Paz, Maricopa and 5 more | 90 min |
| Sep 10, 2:41 PM MST | Mesoscale Discussion | SPC | Apache, Coconino, Navajo | 3 hr |
| Sep 10, 3:05 PM MST | Mesoscale Discussion | SPC | Cochise, Graham, Pima, Pinal, Santa Cruz | 2 hr |
| Sep 11, 2:47 PM MST | Mesoscale Discussion | SPC | Gila, Maricopa, Pinal, Yavapai | 2 hr |
| Sep 11, 3:30 PM MST | Mesoscale Discussion | SPC | Coconino | 3 hr |
| Sep 12, 12:59 PM MST | Mesoscale Discussion | SPC | Coconino, Mohave, Navajo, Yavapai | 91 min |
| Sep 12, 3:55 PM MST | Mesoscale Discussion | SPC | Maricopa, Pima, Pinal, Yuma | 2 hr |
| Sep 13, 7:15 AM MST | Mesoscale Discussion | SPC | Mohave | 90 min |
| Sep 13, 12:29 PM MST | Mesoscale Discussion | SPC | Yuma | 61 min |
| Sep 14, 12:16 PM MST | Mesoscale Discussion | SPC | Coconino, Navajo | 89 min |
| Sep 15, 12:31 PM MST | Mesoscale Discussion | SPC | Graham, Greenlee | 89 min |
| Oct 4, 12:53 PM MST | Mesoscale Discussion | SPC | Coconino, Gila, Maricopa, Pima, Pinal, Yavapai | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.